From: Darrick J. Wong <[email protected]> Add a "xfs_tprintk" macro so that developers can use trace_printk to print out arbitrary debugging information with the XFS device name attached to the trace output.
Signed-off-by: Darrick J. Wong <[email protected]> --- fs/xfs/xfs_error.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/fs/xfs/xfs_error.h b/fs/xfs/xfs_error.h index 246d3e989c6c..c3d9546b138c 100644 --- a/fs/xfs/xfs_error.h +++ b/fs/xfs/xfs_error.h @@ -99,4 +99,9 @@ extern int xfs_errortag_clearall(struct xfs_mount *mp); #define XFS_PTAG_SHUTDOWN_LOGERROR 0x00000040 #define XFS_PTAG_FSBLOCK_ZERO 0x00000080 +/* trace printk version of xfs_err and friends */ +#define xfs_tprintk(mp, fmt, args...) \ + trace_printk("dev %d:%d " fmt, MAJOR((mp)->m_super->s_dev), \ + MINOR((mp)->m_super->s_dev), ##args) + #endif /* __XFS_ERROR_H__ */
